Every kingdom has its entry requirements — and the Kingdom of God is no different. You can’t enter another nation without a passport, and in the same way, you cannot enter the realm of God without the one thing He requires most: the heart. “But seek first the Kingdom of God and His righteousness, and all these things shall be added to you.” — Matthew 6:33gdom has its entry requirements — and the Kingdom of God is no different. You can’t enter another nation without a passport, and in the same way, you cannot enter the realm of God without the one thing He requires most: the heart. “But seek first the Kingdom of God and His righteousness, and all these things shall be added to you.” — Matthew 6:33